Daily Sunspot Evaluation
Observation Sheet Tuesday, 15 June 2004
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 3
- Number of spots (f)
- 22
- Relative number (R)
- 52
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20040615.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FKI – 12 | 12 | 57E | 74 | 54E | 2.15 | 108 |
| 2 | HS – 1 | -12 | 09E | 122 | 06E | ~2 | 106 |
| 3 | EKI – 9 | -10 | 75E | 56 | 72E | 14.5 | 110 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.